This article is a list of diseases of barley (Hordeum vulgare).
Bacterial and fungal diseases Bacterial Diseases Black chaff and bacterial streakXanthomonas translucens pv. translucensBacterial kernel blight Pseudomonas syringae pv. syringaeBacterial leaf blight Pseudomonas syringae pv. syringaeBacterial stripe Pseudomonas syringae pv. striafaciensBasal glume rot Pseudomonas syringae pv. atrofaciensBacterial blight Xanthomonas campestris pv. translucens
Fungal diseasesAnthracnose Colletotrichum cereale MannsBarley stripePyrenophora graminea Drechslera gramineaCephalosporium stripe Hymenula cerealis Cephalosporium gramineumCommon root rot, crown rot and seedling blightCochliobolus sativus Bipolaris sorokiniana Fusarium culmorum Fusarium graminearum Gibberella zeae [teleomorph]Downy mildewSclerophthora rayssiaeDwarf buntTilletia controversaErgot Claviceps purpurea Sphacelia segetum [anamorph]EyespotPseudocercosoporella herpotrichoides Tapesia yallundae [teleomorph]Halo spotPseudoseptoria donacis Selenophoma donacisKernel blight = black point Alternaria spp. Arthrinium arundinis Apiospora montagnei [teleomorph] Cochliobolus sativus Fusarium spp.Ascochyta leaf spotUSDA ARS Fungal Database Ascochyta hordei Ascochyta graminea Ascochyta sorghi Ascochyta triticiNet blotchDrechslera teres Pyrenophora teres [teleomorph]Net blotch (spot form)Drechslera teres f. maculataPowdery mildewBlumeria hordeiPythium root rotPythium spp. Pythium arrhenomanes Pythium graminicola Pythium tardicrescensRhizoctonia root rotRhizoctonia solani Thanatephorus cucumeris [teleomorph] RustsCrown rustPuccinia coronata var. hordeiLeaf rustPuccinia hordeiStem rustPuccinia graminis f.sp. secalis Puccinia graminis f.sp. triticiStripe rust = yellow rustPuccinia striiformis f. sp. hordei ...Scab = head blightFusarium spp. Fusarium graminearumScaldRhynchosporium secalisSeptoria speckled leaf blotchSeptoria passerinii Stagonospora avenae f.sp. triticaeSharp eyespotRhizoctonia cerealis Ceratobasidium cereale [teleomorph]SmutsCovered smutUstilago hordeiFalse loose smutUstilago nigra Ustilago avenaeLoose smutUstilago nuda = Ustilago triticiSnow moldsGray snow mold = Typhula blightTyphula incarnata Typhula ishikariensisPink snow mold = Fusarium patchMicrodochium nivale Fusarium nivale Monographella nivalis [teleomorph]Speckled snow moldTyphula idahoensis ...Snow rotPythium iwayamae Pythium okanoganense Pythium paddicumSnow scald = Sclerotinia snow moldMyriosclerotinia borealis Sclerotinia borealisSouthern blightSclerotium rolfsii Athelia rolfsii [teleomorph]Spot blotchCochliobolus sativus Drechslera teres [anamorph]Stagonospora blotchStagonospora avenae f.sp. triticae Phaeosphaeria avenaria f.sp. triticae [teleomorph] Stagonospora nodorum Septoria nodorum Phaeosphaeria nodorum [teleomorph]Take-allGaeumannomyces graminis var triticiTan spotPyrenophora tritici-repentis Pyrenophora trichostoma Drechslera tritici-repentis [anamorph] Helminthosporium tritici-repentisVerticillium wiltVerticillium dahliaeWirrega blotchDrechslera wirreganensis
Nematodes, parasitic Nematodes, parasiticCereal cyst nematode Heterodera avenae Heterodera filipjevi Heterodera latiponsCereal root knot nematode Meloidogyne spp. Meloidogyne naasi Meloidogyne artiellia Meloidogyne chitwoodiRoot gall nematodeSubanguina radicicolaRoot lesion nematodePratylenchus spp.Stunt nematode Merlinius brevidens Tylenchorhynchus dubius Tylenchorhynchus maximus
Virus, viroid and virus-like diseases Virus, viroid and virus-like diseasesAfrican cereal streakAfrican cereal streak virusBarley mild mosaic genus Bymovirus, Barley mild mosaic bymovirus (BaMMV)Barley mosaic Barley mosaic virusBarley stripe mosaicgenus Hordeivirus, Barley stripe mosaic virus (BSMV)Barley yellow dwarfgenus Luteovirus, Barley yellow dwarf virus (BYDV)Barley yellow streak mosaicBarley yellow streak mosaic virusBarley yellow stripevirus-like agentBrome mosaicgenus Bromovirus, Brome mosaic virus (BMV)Cereal northern mosaic = barley yellow striate mosaicgenus Cytorhabdovirus, Northern cereal mosaic virus (NCMV)Cereal tillering genus Reovirus, Cereal tillering disease virus (CTDV)Chloris striate mosaicgenus Monogeminivirus, Chloris striate mosaic virus (CSMV)Eastern wheat striateEastern wheat striate virusEnanismovirus like agentHordeum mosaicgenus Rymovirus, Hordeum mosaic virus (HoMV)Oat blue dwarfgenus Marafivirus, Oat blue dwarf virus(OBDV)Oat pseudorosettegenus Tenuivirus, Oat pseudorosette virusOat sterile dwarfgenus Fijivirus, Oat sterile dwarf virus (OSDV)Rice black-streaked dwarfgenus Fijivirus, Rice black-streaked dwarf virus (RBSDV)Rice stripe genus Tenuivirus, Rice stripe virus (RSV)Russian winter wheat mosaicWinter wheat Russian mosaic virus (WWRMV)Wheat dwarfgenus Monogeminivirus, Wheat dwarf virus (WDV)Wheat soil-borne mosaic genus Furovirus, Wheat soil-borne mosaic virus (SBWMV)Wheat streak mosaicgenus Ryemovirus, Wheat streak mosaic virus (WSMV)Wheat yellow leafgenus Closterovirus, Wheat yellow leaf virus (WYLV)
Phytoplasma diseases Mycoplasmal diseasesAster yellowsAster yellows phytoplasma
Miscellaneous diseases and disorders Miscellaneous diseases and disordersPhysiological leaf spot Unknown
Sources Barley Diseases, Queensland Government, Australia EPPO Standards, Guidelines on good plant protection - Barley, Europe Barley Disease Handbook, NDSU, US Barley Disease Index, TAMU, US Common Names of Diseases, The American Phytopathological Society, US USDA ARS Fungal Database
References
Common Names of Diseases, The American Phytopathological Society